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Ans 4.
(i) The pyloric sphincter (smooth muscle) guards the opening of the stomach into the duodenum (small intestine) is responsible for the regulation of the entry of food into the small intestine from the stomach.
(ii) Lipase is present in pancreatic juice to break down larger fats.
(iii) Villi are richly supplied with blood vessels and take the absorbed food to every cell of the body where it is utilized.
(iv) Protein digesting enzyme in the stomach is pepsin which plays a role in the conversion of proteins into peptones and proteases. Protein digesting enzymes secreted by the pancreas are trypsin and chymotrypsin which are secreted in the inactive form trypsinogen and chymotrypsinogen respectively. Hence, option D is correct.
Regards
Ans 4.
(i) The pyloric sphincter (smooth muscle) guards the opening of the stomach into the duodenum (small intestine) is responsible for the regulation of the entry of food into the small intestine from the stomach.
(ii) Lipase is present in pancreatic juice to break down larger fats.
(iii) Villi are richly supplied with blood vessels and take the absorbed food to every cell of the body where it is utilized.
(iv) Protein digesting enzyme in the stomach is pepsin which plays a role in the conversion of proteins into peptones and proteases. Protein digesting enzymes secreted by the pancreas are trypsin and chymotrypsin which are secreted in the inactive form trypsinogen and chymotrypsinogen respectively. Hence, option D is correct.
Regards